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Finding the Fourth Proportional to 115,361.56, 173,041.32 and 36,475.84

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Solution

The fourth proportional to 115,361.56, 173,041.32 and 36,475.84 is: 54,713.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,361.56 : 173,041.32 = 36,475.84 : x
  2. Step 2: Convert to fraction form
    115,361.56/173,041.32 = 36,475.84/x
  3. Step 3: Cross multiply
    115,361.56x = 173,041.32 × 36,475.84
  4. Step 4: Simplify right side
    115,361.56x = 6,311,827,501.71
  5. Step 5: Solve for x
    x = 6,311,827,501.71/115,361.56
  6. Step 6: Final answer
    x = 54,713.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.